优化静态路由

Dockerfile

@@ -1,4 +1,4 @@
-# ---- Frontend build (仅构建机原生架构编译一次) ----
+# ---- Frontend build ----
 FROM --platform=$BUILDPLATFORM node:22-alpine AS frontend-build
 WORKDIR /app
 COPY package.json pnpm-lock.yaml .npmrc ./
@@ -6,18 +6,25 @@ RUN corepack enable && corepack prepare pnpm@10 --activate && pnpm install
 COPY . .
 RUN pnpm build
 
-# ---- Backend runtime ----
+# ---- Python deps build（带 gcc 编译，产物仅用于复制）----
+FROM python:3.11-slim AS python-deps
+WORKDIR /app
+RUN apt-get update && apt-get install -y --no-install-recommends gcc \
+    && rm -rf /var/lib/apt/lists/*
+COPY backend/requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+# 删除字节码缓存，减小体积
+RUN find /usr/local/lib/python3.11 -type d -name "__pycache__" -exec rm -rf {} + 2>/dev/null || true
+
+# ---- Final runtime ----
 FROM python:3.11-slim
 WORKDIR /app
 
-RUN apt-get update && apt-get install -y --no-install-recommends gcc \
-    && rm -rf /var/lib/apt/lists/*
-
-COPY backend/requirements.txt .
-RUN pip install --no-cache-dir -r requirements.txt
+# 仅复制已编译好的包，无需 gcc
+COPY --from=python-deps /usr/local/lib/python3.11/site-packages /usr/local/lib/python3.11/site-packages
 
 COPY backend/ .
 COPY --from=frontend-build /app/dist ./dist
 
 EXPOSE 8000
-CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]
+CMD ["python", "-m", "uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]